link
Here's the top 30. There's a lot more on that site.
1 Subway
Submarine sandwiches & salads
$86K-213K
2 Curves
Women's fitness & weight-loss centers
$36.4K-42.9K
3 Quizno's Franchise Co., The
Submarine sandwiches, soups, salads
$208.4K-243.8K
4 7-Eleven Inc.
Convenience store
Varies
5 Jackson Hewitt Tax Service
Tax preparation services
$38.8K-85.4K
6 UPS Store, The
Postal/business/communications services
$143.3K-247K
7 McDonald's
Hamburgers, chicken, salads
$506K-1.6M
8 Jani-King
Commercial cleaning
$11.3K-34.1K+
9 Dunkin' Donuts
Donuts & baked goods
$255.7K-1.1M
10 Baskin-Robbins USA Co.
Ice cream & yogurt
$145.7K-527.8K
11 Jiffy Lube Int'l. Inc.
Fast oil change
$214K-273K
12 InterContinental Hotels Group
Hotels
Varies
13 Sonic Drive In Restaurants
Drive-in restaurant
$710K-2.3M
14 Domino's Pizza LLC
Pizza
$141.4K-415.1K
15 Super 8 Motels Inc.
Economy motels
$297K-2.3M
16 Kumon Math & Reading Centers
Supplemental education
$9.3K-29.3K
17 Chem-Dry Carpet Drapery & Upholstery Cleaning
Carpet, drapery & upholstery cleaning
$24.95K-86.95K
18 ServiceMaster Clean
Comm'l./residential cleaning & disaster restoration
$28.2K-99.9K
19 RE/MAX Int'l. Inc.
Real estate
$20K-200K
20 Snap-on Tools
Professional tools & equipment
$14.3K-264.3K
21 Burger King Corp.
Hamburgers, fries, breakfast & other items
$294K-2.8M
22 Jan-Pro Franchising Int'l. Inc.
Commercial cleaning
$5K-50K+
23 Merle Norman Cosmetics
Cosmetics studios
$33.1K-156K
24 Papa John's Int'l. Inc.
Pizza
$250K
25 Jazzercise Inc.
Dance/exercise classes
$2.6K-32.8K
26 RadioShack
Consumer electronics
$69.9K
27 Days Inns Worldwide Inc.
Hotels & inns
$400K-5.4M
28 Liberty Tax Service
Income-tax preparation services
$38.1K-49.1K
29 Midas Int'l. Corp.
Auto repair & maintenance services
$379.4K-528K
30 Dairy Queen
Soft-serve dairy products/sandwiches
$655K-1.3M